This is part of the World BankÆs æParticipation SourcebookÆ. It discusses the participatory approach adopted in World Bank projects, and the problems and lessons that can be learnt. It focuses on the following areas of concern: a. Challenges for the water and sanitation sector; b. Issues involved in working with governments; c. What is involved in designing stakeholder participation; and d. Identifying and securing institutional arrangements for participation and project delivery.